Question

The mutual inductance $M_{12}$ of a coil $1$ with respect to coil $2$

• A. increases when they are brought nearer
• B. depends on the current passing through the coils
• C. increases when one of them is rotated about an axis
• D. both $(a)$ and $(b)$ are correct

Answer 1

Answer: (A)

Tie mutual inductance $M_{12}$ of coil $1$ with respect to coil $2$ increases when they are brought nearer